Research Topics
| D J HoffmanSummaryAffiliation: U.S. Geological Survey Country: USA Publications
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Detail Information
Publications
Sublethal effects in avocet and stilt hatchlings from selenium-contaminated sitesDavid J Hoffman
Patuxent Wildlife Research Center, US Geological Survey, Laurel, Maryland 20708, USA
Environ Toxicol Chem 21:561-6. 2002....
Phosphorus amendment reduces hepatic and renal oxidative stress in mallards ingesting lead-contaminated sedimentsDavid J Hoffman
U S Geological Survey, Patuxent Wildlife Research Center, Beltsville Lab, Beltsville, Maryland, USA
J Toxicol Environ Health A 69:1039-53. 2006....
Oxidative stress response of Forster's terns (Sterna forsteri) and Caspian terns (Hydroprogne caspia) to mercury and selenium bioaccumulation in liver, kidney, and brainDavid J Hoffman
U S Geological Survey, Patuxent Wildlife Research Center, Beltsville, Maryland, USA
Environ Toxicol Chem 30:920-9. 2011..Our results indicate that THg concentrations induced oxidative stress in terns, and suggest that histopathological, immunological, and behavioral effects may occur in terns as reported in other species...
Role of selenium toxicity and oxidative stress in aquatic birdsDavid J Hoffman
USGS Patuxent Wildlife Research Center, 12011 Beech Forest Road, Laurel, MD 20708 4041, USA
Aquat Toxicol 57:11-26. 2002..It is concluded that Se-related manifestations of oxidative stress may serve as useful bioindicators of Se exposure and toxicity in wild aquatic birds...
Phosphorus amendment reduces hematological effects of lead in mallards ingesting contaminated sedimentsDavid J Hoffman
U S Geological Survey Patuxent Wildlife Research Center, Beltsville Lab, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland, 20705, USA
Arch Environ Contam Toxicol 50:421-8. 2006....
Effects of the mosquito larvicide GB-1111 on bird eggsD J Hoffman
USGS Patuxent Wildife Research Center, 12011 Beech Forest Road, Laurel, MD 20708 4041, USA
Environ Pollut 127:353-8. 2004..The recommended maximum rate of field application of GB-1111 is unlikely to impair the survival or development of bobwhite embryos but is potentially toxic to mallard embryos under conditions of larvicide drift or spray overlap...
Subchronic effects of methylmercury on plasma and organ biochemistries in great egret nestlingsDavid J Hoffman
US Geological Survey, Patuxent Wildlife Research Center, Beltsville Laboratory, BARC E, Maryland 20705, USA
Environ Toxicol Chem 24:3078-84. 2005..These findings, including apparent compensatory changes, are compared to other Hg studies where oxidative stress was reported in egrets, herons, and diving ducks in the field and mallards in the laboratory...
Mercury and drought along the lower Carson river, Nevada: III. Effects on blood and organ biochemistry and histopathology of snowy egrets and Black-crowned night-herons on Lahontan reservoir, 2002-2006David J Hoffman
U S Geological Survey Patuxent Wildlife Research Center, Beltsville, Maryland 20705, USA
J Toxicol Environ Health A 72:1223-41. 2009..Drought may have exacerbated Hg-related effects as reported previously for overall productivity. This relationship was not evident in black-crowned night-herons, although data were more limited...
Developmental toxicity of lead-contaminated sediment in Canada geese (Branta canadensis)D J Hoffman
USGS Patuxent Wildlife Research Center, Laurel, Maryland 20708 4041, USA
J Toxicol Environ Health A 59:235-52. 2000..Many of these effects were similar to those reported in wild geese and mallards within the Coeur d'Alene River Basin...
Toxicity of lead-contaminated sediment to mute swansD D Day
U S Geological Survey, Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, Maryland 20708 4017, USA
Arch Environ Contam Toxicol 44:510-22. 2003..Furthermore, toxic effects were more pronounced when the birds were fed lead-contaminated sediment combined with rice, which closely resembles the diet of swans in the wild...
Differences in oxidative stress between young Canada geese and mallards exposed to lead-contaminated sedimentR Mateo
USGS Patuxent Wildlife Research Center, Laurel, Maryland 20708-4041, USA
J Toxicol Environ Health A 64:531-45. 2001....
Effects of the mosquito larvicide GB-1111 on red-winged blackbird embryosP H Albers
USGS Patuxent Wildife Research Center, Laurel, MD 20708 4041, USA
Environ Pollut 125:447-51. 2003..Overall, the potential hazard to embryos of a representative wetland passerine appears minimal until the application rate exceeds 3 X...
Effects of diquat, an aquatic herbicide, on the development of mallard embryosC J Sewalk
Department of Biology, Frostburg State University, Maryland, USA
J Toxicol Environ Health A 62:33-45. 2001..However, concentrations applied above ground to weeds and cattails along ditches could adversely affect the survival and development of mallard embryos, and presumably other avian species nesting in such habitats...
Embryotoxic and teratogenic effects of selenium in the diet of mallardsD J Hoffman
U S Fish and Wildlife Service, Patuxent Wildlife Research Center, Laurel, Maryland 20708
J Toxicol Environ Health 24:477-90. 1988..These findings indicate that selenomethionine is considerably more teratogenic and generally more embryotoxic than sodium selenite, probably due to higher uptake of selenomethionine...
Predicting mercury in mallard ducklings from mercury in chorioallantoic membranesG H Heinz
United States Geological Survey, Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, MD 20708-4017, USA
Bull Environ Contam Toxicol 70:1242-6. 2003
Effects of lead-contaminated sediment and nutrition on mallard duckling behavior and growthErika K Douglas-Stroebel
Department of Biology, Frostburg State University, Frostburg, Maryland, USA
J Toxicol Environ Health A 68:113-28. 2005....
Lead accumulation in feathers of nestling black-crowned night herons (Nycticorax nycticorax) experimentally treated in the fieldNancy H Golden
US Geological Survey-Patuxent Wildlife Research Center, 12011 Beech Forest Road, Laurel, Maryland 20708, USA
Environ Toxicol Chem 22:1517-24. 2003....
Embryotoxic thresholds of mercury: estimates from individual mallard eggsG H Heinz
Patuxent Wildlife Research Center, U S Geological Survey, 11510 American Holly Drive, Laurel, Maryland 20708 4017, USA
Arch Environ Contam Toxicol 44:257-64. 2003..74 microg/g mercury, there were considerable differences in the sensitivity of mallard embryos, especially from different parents, with some embryos surviving as much as 30 or more microg/g mercury in the egg...
Factors affecting the toxicity of methylmercury injected into eggsG H Heinz
Patuxent Wildlife Research Center, United States Geological Survey, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
Arch Environ Contam Toxicol 50:264-79. 2006..To improve statistical comparisons, we used survival through 90% of incubation as our measurement to compare survival of controls with survival of eggs injected with graded concentrations of mercury...
Effects of methylmercury exposure on glutathione metabolism, oxidative stress, and chromosomal damage in captive-reared common loon (Gavia immer) chicksKevin P Kenow
U S Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Road, La Crosse, WI 54603, USA
Environ Pollut 156:732-8. 2008..Our results also suggest that chronic exposure to environmentally relevant dietary Hg levels did not result in statistically significant somatic chromosomal damage in common loon chicks...
A simplified method for correcting contaminant concentrations in eggs for moisture lossGary H Heinz
U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
Environ Toxicol Chem 28:1425-8. 2009..The advantages of the new method are its speed, accuracy, and simplicity: It does not require the calculation of a correction factor that has to be applied to each contaminant residue...
Rapid increases in mercury concentrations in the eggs of mallards fed methylmercuryGary H Heinz
Patuxent Wildlife Research Center, US Geological Survey, BARC East, Beltsville, Maryland 20705, USA
Environ Toxicol Chem 28:1979-81. 2009..Depending on the dietary concentration of mercury, no more than approximately a week may be required for harmful concentrations (0.5-0.8 microg/g, wet weight) to be excreted into eggs...
Plasma biochemistry values in emperor geese (Chen canagica) in Alaska: comparisons among age, sex, incubation, and moltJ Christian Franson
U S Geological Survey, National Wildlife Health Center, 6006 Schroeder Road, Madison, Wisconsin 53711, USA
J Zoo Wildl Med 40:321-7. 2009..Ten of the 15 biochemical parameters assayed differed among adults during incubation, the adults during molt, and the goslings at molt, whereas sex differences were noted in few parameters...
Reproduction in mallards exposed to dietary concentrations of methylmercuryGary H Heinz
U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, MD, 20705, USA
Ecotoxicology 19:977-82. 2010..We conclude that mallard reproduction does not appear to be particularly sensitive to methylmercury...
Predicting mercury concentrations in mallard eggs from mercury in the diet or blood of adult females and from duckling down feathersGary H Heinz
U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
Environ Toxicol Chem 29:389-92. 2010....
Enhanced reproduction in mallards fed a low level of methylmercury: an apparent case of hormesisGary H Heinz
U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, Beltsville, Maryland 20705, USA
Environ Toxicol Chem 29:650-3. 2010..81 microg/g on a wet-weight basis. At this time, one cannot rule out the possibility that low concentrations of Hg in eggs may be beneficial, and this possibility should be considered when setting regulatory thresholds for methylmercury...
Intraperitoneal injections as a possible means of generating varied levels of methylmercury in the eggs of birds in field studiesGary H Heinz
U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
Environ Toxicol Chem 29:1079-83. 2010....
Relating the ability of mallards to ingest high levels of sediment to potential contaminant exposure in waterfowlGary H Heinz
U S Geological Survey, Patuxent Wildlife Research Center, BARC East, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
Environ Toxicol Chem 29:1621-4. 2010....
Selenium concentrations and enzyme activities of glutathione metabolism in wild long-tailed ducks and common eidersJ Christian Franson
US Geological Survey, National Wildlife Health Center, Madison, Wisconsin, USA
Environ Toxicol Chem 30:1479-81. 2011....
Species differences in the sensitivity of avian embryos to methylmercuryGary H Heinz
US Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Arch Environ Contam Toxicol 56:129-38. 2009....
Mercury and other element exposure to tree swallows (Tachycineta bicolor) nesting on Lostwood National Wildlife Refuge, North DakotaThomas W Custer
US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Road, La Crosse, WI 54603, USA
Environ Pollut 155:217-26. 2008..As suspected from these low concentrations, mercury concentrations in sample eggs were not a significant factor explaining the hatching success of the remaining eggs in each clutch...
Effects of dietary selenium on tissue concentrations, pathology, oxidative stress, and immune function in common eiders (Somateria mollissima)J Christian Franson
USGS National Wildlife Health Center, Madison, Wisconsin 53711, USA
J Toxicol Environ Health A 70:861-74. 2007..However, common eiders developed signs of Se toxicity similar to those seen in fresh-water birds...
Nineteenth century mercury: hazard to wading birds and cormorants of the Carson River, NevadaCharles J Henny
USGS Forest and Rangeland Ecosystem Science Center, Corvallis, Oregon 97331, USA
Ecotoxicology 11:213-31. 2002..Immune deficiencies and neurological impairment of fledglings may affect survivability when confronted with the stresses of learning to forage and the ability to complete their first migration...
Blood selenium concentrations and enzyme activities related to glutathione metabolism in wild emperor geeseJ Christian Franson
U S Geological Survey, National Wildlife Health Center, Madison, Wisconsin 53711, USA
Environ Toxicol Chem 21:2179-84. 2002..These findings indicate that further study of the effects of selenium exposure, particularly on reproductive success, is warranted in this species...
Mercury accumulation and loss in mallard eggsGary H Heinz
U S Geological Survey, Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, Maryland 20708 4017, USA
Environ Toxicol Chem 23:222-4. 2004..Higher concentrations of mercury were found in egg albumen than in yolk, and between 95 and 100% of the mercury in the eggs was in the form of methylmercury...
Phosphorus amendment reduces bioavailability of lead to mallards ingesting contaminated sedimentsGary H Heinz
U S Geological Survey, Patuxent Wildlife Research Center, Laurel, Maryland 20708 4017, USA
Arch Environ Contam Toxicol 46:534-41. 2004....
Toxicity and hazard of vanadium to mallard ducks (Anas platyrhynchos) and Canada geese (Branta canadensis)Barnett A Rattner
U S Geological Survey, Patuxent Wildlife Research Center, Laurel, Maryland, USA
J Toxicol Environ Health A 69:331-51. 2006..However, point sources, such as the V-laden fly ash pond encountered by geese at the petroleum refinery in Delaware, may pose a significant hazard to water birds...
Trace element concentrations and bioindicator responses in tree swallows from northwestern MinnesotaChristine M Custer
U S Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Road, La Crosse, WI 54603, USA
Environ Monit Assess 118:247-66. 2006..Bioindicator measurements were within the normal ranges as well...
Water level management and contaminant exposure to tree swallows nesting on the Upper Mississippi RiverThomas W Custer
US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Road, La Crosse, WI 54603, USA
Environ Monit Assess 133:335-45. 2007..Concentrations of inorganic and organochlorine contaminants in tree swallow eggs and nestlings were not at toxic levels. Hatching success did not differ among years and was comparable to the nationwide average...
Organochlorine and PBDE concentrations in relation to cytochrome P450 activity in livers of Forster's terns (Sterna forsteri) and Caspian terns (Hydroprogne caspia), in San Francisco Bay, CaliforniaGarth Herring
US Geological Survey, Davis Field Station, Western Ecological Research Center, University of California, One Shields Ave, Davis, CA 95616, USA
Arch Environ Contam Toxicol 58:863-73. 2010..P450 protein activity was higher in adult Forster's terns than Caspian terns, higher in Central South Bay than in Lower South Bay, and higher in adult Forster's terns than in chicks...
Unusual leg malformations in screech owls from a South Carolina Superfund siteP H Albers
USGS Patuxent Wildlife Research Center, Laurel, Maryland 20708 4041, USA
J Toxicol Environ Health A 63:89-99. 2001..The cause of this genetic abnormality remains unknown...
Relation of fatty acid composition in lead-exposed mallards to fat mobilization, lipid peroxidation and alkaline phosphatase activityRafael Mateo
Laboratory of Toxicology, Faculty of Veterinary, Universitat Autonoma de Barcelona, E 08193 Bellaterra, Spain
Comp Biochem Physiol C Toxicol Pharmacol 135:451-8. 2003....
Relationship between oxidative stress, pathology, and behavioral signs of lead poisoning in mallardsRafael Mateo
Laboratory of Toxicology, Faculty of Veterinary Medicine, Univerisitat Autònoma de Barcelona, Bellaterra, Spain
J Toxicol Environ Health A 66:1371-89. 2003..Data suggest that inhibition of antioxidant enzymes and interaction with sulfhydryl groups of proteins may play a more important role in Pb poisoning of waterfowl than lipid peroxidation...
Oxidative stress induced in PCB 126-exposed northern leopard frogs, Rana pipiensYue Wern Huang
Department of Biological Sciences, University of Missouri Rolla, Rolla, Missouri 65409 1120, USA
J Toxicol Environ Health A 70:676-81. 2007..A similar delay in response was reported in fish and may relate to lower metabolic rate and physiological reactions in ectothermic vertebrates...
Selenium toxicity: cause and effects in aquatic birdsJulian E Spallholz
Food and Nutrition, Texas Tech University, Lubbock, TX 79409, USA
Aquat Toxicol 57:27-37. 2002....
